| Display | TFT color display |
| Blood oxygen saturation measurement range | 70%-99% |
| Oxygen saturation measurement accuracy | 70%-99% range of Plus or minus 2%, more than or equal to 70% is not defined |
| Blood oxygen saturation resolution | blood oxygen saturation of Plus or minus 1% |
| Automatic shutdown | 8 seconds automatic shutdown when no finger is inserted |
| Storage humidity | 15%-80% when working, 10%-80% storage |
| Battery model | 2 x 1.5V (2 AAA alkaline, product does not contain batteries) |
| Pulse rate measurement range | 30BPM-240BPM. |
| Pulse rate measurement accuracy | Plus or minus 1BPM or measurement of Plus or minus 1% (take larger value) |
Complaint
